# Add-ons Check out the add-ons you can use for the SCK! If you are looking for sensor add-ons, check the [knowledge section](https://docs.smartcitizen.me/knowledge.md). - [Atlas EZO Drivers](https://docs.smartcitizen.me/hardware/addons/atlas-drivers.md): You can use these drivers to interface with Atlas Scientific Probes! - [GPS](https://docs.smartcitizen.me/hardware/addons/gps.md): You can connect a GPS to the SCK and collect geolocated data while you are moving! - [OLED Display](https://docs.smartcitizen.me/hardware/addons/oled-screen.md): An experimental OLED Screen to visualise sensor values and plot data! - [Power Supply](https://docs.smartcitizen.me/hardware/addons/power-supply.md): The Smart Citizen Power Supply is a simple power supply to power the SCK and the Smart Citizen Station. - [Solar Panel](https://docs.smartcitizen.me/hardware/addons/solar-panel.md): Solar Panels can be a good option for powering your Smart Citizen Kit or Station.